<script setup>
import Home from './pages/Home.vue'
import Posts from './pages/Posts.vue'
import Archive from './pages/Archive.vue'
import { ref, watch } from 'vue'

const currentTab = ref('Home')

const tabs = {
  Home,
  Posts,
  Archive: Archive
}

watch( currentTab, (newVal)=> {
  console.log("currentTab new Value: ", newVal)
})


const rule = /Home|Posts/
</script>

<template>
  <div class="demo">
    <button v-for="(_, tab) in tabs" :key="tab" 
    :class="['tab-button', { active: currentTab === tab }]"
      @click="currentTab = tab">
      {{ tab }}
    </button>
    <!--
    <Home v-show="currentTab==='Home'"/>
    <Posts  v-show="currentTab==='Posts'"/>
    <Archive v-show="currentTab==='Archive'"/>
    -->

  <keep-alive :include="rule">
    <component :is="tabs[currentTab]" class="tab"></component>
  </keep-alive>
  </div>
</template>

<style scoped>
.demo {
  width: 500px;
  font-family: sans-serif;
  border: 1px solid #eee;
  border-radius: 2px;
  padding: 20px 30px;
  margin-top: 1em;
  margin-bottom: 40px;
  overflow-x: auto;
}

.tab-button {
  padding: 6px 10px;
  border-top-left-radius: 3px;
  border-top-right-radius: 3px;
  border: 1px solid #ccc;
  cursor: pointer;
  background: #f0f0f0;
  margin-bottom: -1px;
  margin-right: -1px;
}

.tab-button:hover {
  background: #e0e0e0;
}

.tab-button.active {
  background: #e0e0e0;
}

.tab {
  border: 1px solid #ccc;
  padding: 10px;
}
</style>